Here’s more oceans news, according to a recent computer model, ozone depletion, i.e. holes in the ozone layer, is causing ocean acidification, resulting in weaker carbon sinks. The ocean is the earth’s largest carbon sink, soaking up 40% of the world’s greenhouse gas; from NatureNews.

On March 28 at 8:30PM, 74 cities in 62 countries will turn off their lights for 1 hour, in a massive demonstration to drum up support for international action on climate change. Participants hope “Earth Hour” will send a powerful signal to world leaders that people expect action; ENN reports.